var express = require('express');
var app = express();

app.use('/public', express.static('public'));

app.get('/index.html', function (req, res) {
  res.sendFile( __dirname + "/" + "index.html" );
})

app.get('/process_get', function (req, res) {

  // 输出 JSON 格式
  var response = {
    "first_name":req.query.first_name,
    "last_name":req.query.last_name
  };
  console.log(response);
  res.end(JSON.stringify(response));
})

var server = app.listen(8081, function () {

  var host = server.address().address
  var port = server.address().port

  console.log("应用实例，访问地址为 http://%s:%s", host, port)

})